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Merck
CN

RTC000088

Tetrahydrofuran

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

Tetrahydrofuran, Butylene oxide, Oxolane, Tetramethylene oxide

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About This Item

Empirical Formula (Hill Notation):
C4H8O
CAS Number:
109-99-9
Molecular Weight:
72.11
NACRES:
NA.24
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
102391
MDL number:
MFCD00005356

Key Documents

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grade

certified reference material, pharmaceutical secondary standard

agency

traceable to USP 1601770

Quality Level

300

vapor pressure

114 mmHg ( 15 °C), 143 mmHg ( 20 °C)

CofA

current certificate can be downloaded

autoignition temp.

610 °F

expl. lim.

1.8-11.8 %

packaging

pkg of 20 mL

mp

−108 °C (lit.)

density

0.889 g/mL at 25 °C (lit.)

application(s)

pharmaceutical small molecule

storage temp.

2-30°C

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General description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

Analysis Note

These secondary standards offer multi-traceability to the USP and EP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
To see an example of a Certificate of Analysis for this material enter LRAB9802 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3

target_organs

Central nervous system, Respiratory system

supp_hazards

EUH019

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

-6.2 °F

flash_point_c

-21.2 °C

Regulatory Information

危险化学品
This item has

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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